PC Treasure Mighty Mini Retractable Mouse: * Sleek design — small footprint, subtle illumination * Pin-point 800 dpi precision * Plug-and-play with tangle-free retractable cord — no software or batteries required * 3-button mouse with scroll wheel that can be used for fast up/down, left/right Internet browsing * Compatible with Windows 7/Vista/XP/2000/98 and Mac OS * Color: black